This monostable circuit, from a 1977 Radio Shack documentation, uses a 7400. The time is given by the capacitor and the power must be supplied with 5 V.
This circuit was found on an 80's Ham Radio. The transistor admits equivalent. The circuit can...
The input resistance of this circuit is 60k and the pass band from 20 to 20kHz. The circuit is...
This circuit was proposed by an old American documentation for listening to SSB stations. The...